Load data for .357 SIG + .357 | 140gr | Sierra JHC SportsMaster

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 140gr \| Sierra JHC SportsMaster
Manufacturer SKU:	8325
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.597" \| 15.2mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.334" \| 8.5mm
Shank Seated Depth:	0.334" \| 8.5mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B5946_C518
Last updated:	2025-01-01

Load data for 118 loads in caliber .357 SIG with .357 | 140gr | Sierra JHC SportsMaster bullet and 59 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340. The key underlying parameters are shown in the table above.

Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service.

Questions regarding the load data: Please read the information in the next tab "Explanations".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads, >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	96%	26513	60%	**68	91%
ADI AP 70N	<<locked>>	79%	38624	87%	**47	100%
ADI APS 350	<<locked>>	82%	37971	86%	**50	100%
ADI APS 450	<<locked>>	84%	37724	85%	**83	100%
ADI AS 30	<<locked>>	88%	38101	86%	**32	100%
ADI AS 50N	<<locked>>	86%	39537	89%	**91	100%
Accurate No. 2	<<locked>>	84%	38159	86%	**43	100%
Accurate No. 5	<<locked>>	70%	37971	86%	**29	98%
[Accurate No. 7]*	<<locked>>	90%	39030	88%	**94	88%
Accurate Solo 1000	<<locked>>	87%	38653	87%	**65	100%
Accurate Solo 1250	<<locked>>	94%	38595	87%	**24	100%
Alliant BULLSEYE	<<locked>>	82%	38247	86%	**93	100%
Alliant POWER PISTOL	<<locked>>	93%	38014	86%	**81	96%
Alliant UNIQUE 👍	<<locked>>	94%	37840	86%	**99	100%
Baschieri & Pellagri 100	<<locked>>	89%	38595	87%	**68	100%
Hodgdon Clays	<<locked>>	82%	38435	87%	**70	100%
Hodgdon HP38	<<locked>>	65%	37681	85%	**98	100%
Hodgdon HS-6	<<locked>>	77%	38058	86%	**19	99%
Hodgdon Longshot	<<locked>>	74%	38870	88%	**25	100%
Hodgdon Universal	<<locked>>	87%	38624	87%	**47	100%
Hodgdon TrailBoss	<<locked>>	94%	11690	26%	**1	100%
Lovex D036	<<locked>>	70%	37913	86%	**35	98%
[Lovex D037.1]*	<<locked>>	90%	39030	88%	**94	88%
Lovex S011	<<locked>>	76%	38769	88%	**94	100%
Lovex S020	<<locked>>	85%	38348	87%	**53	100%
Maxam CSB 1	<<locked>>	95%	35984	81%	**98	100%
Maxam CSB 2	<<locked>>	94%	38566	87%	**30	100%
Maxam CSB 3	<<locked>>	92%	38856	88%	**01	100%
Maxam CSB 4	<<locked>>	88%	38914	88%	**81	100%
Maxam CSB 5	<<locked>>	84%	39407	89%	**35	100%
Ramshot Silhouette	<<locked>>	78%	39421	89%	**09	100%
Ramshot True Blue	<<locked>>	73%	39566	89%	**29	100%
Ramshot Zip	<<locked>>	66%	38508	87%	**11	100%
ReloadSwiss RS 12	<<locked>>	81%	37898	86%	**14	100%
ReloadSwiss RS 14	<<locked>>	97%	10950	25%	**8	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	37014	84%	**83	100%
ReloadSwiss RS 24	<<locked>>	96%	38043	86%	**68	90%
Rottweil P 801	<<locked>>	76%	37666	85%	**78	100%
Rottweil P 806	<<locked>>	97%	30197	68%	**32	98%
SNPE Vectan A0 👍	<<locked>>	97%	38435	87%	**47	100%
SNPE Vectan BA 9	<<locked>>	87%	38537	87%	**24	100%
SNPE Vectan BA10	<<locked>>	78%	37710	85%	**83	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	33939	77%	**47	99%
SNPE Vectan BA9 1/2	<<locked>>	89%	38130	86%	**34	100%
Shooters World Auto Pistol	<<locked>>	70%	37913	86%	**35	98%
[Shooters World Major Pistol]*	<<locked>>	90%	39030	88%	**94	88%
Somchem MP200	<<locked>>	86%	38189	86%	**89	100%
Somchem MS200 👍	<<locked>>	93%	39305	89%	**73	100%
Somchem S221	<<locked>>	81%	38493	87%	**55	93%
Vihtavuori 3N37	<<locked>>	96%	39421	89%	**42	100%
[Vihtavuori 3N38]*	<<locked>>	97%	26847	61%	**01	85%
[Vihtavuori N105]*	<<locked>>	97%	20552	46%	**32	84%
Vihtavuori N310	<<locked>>	70%	38218	86%	**93	100%
Vihtavuori N320	<<locked>>	85%	38145	86%	**81	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	25193	57%	**1	100%
Vihtavuori N330	<<locked>>	88%	38609	87%	**47	100%
Vihtavuori N340 👍	<<locked>>	94%	39813	90%	**80	100%
Vihtavuori N350	<<locked>>	96%	35302	80%	**86	100%
Winchester 231	<<locked>>	74%	38508	87%	**11	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	72%	14446	33%	**5	80%
ADI AP 70N	<<locked>>	62%	24076	54%	**70	100%
ADI APS 350	<<locked>>	60%	22902	52%	**3	100%
ADI APS 450	<<locked>>	61%	22031	50%	**2	100%
ADI AS 30	<<locked>>	62%	20682	47%	**2	100%
ADI AS 50N	<<locked>>	60%	20755	47%	**5	100%
Accurate No. 2	<<locked>>	62%	18927	43%	**8	96%
Accurate No. 5	<<locked>>	62%	28137	64%	**01	94%
[Accurate No. 7]*	<<locked>>	79%	26382	60%	**14	81%
Accurate Solo 1000	<<locked>>	60%	19870	45%	**5	100%
Accurate Solo 1250	<<locked>>	61%	16346	37%	**2	100%
Alliant BULLSEYE	<<locked>>	62%	22089	50%	**63	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	15142	34%	**5	80%
Alliant UNIQUE	<<locked>>	61%	16404	37%	**8	97%
Baschieri & Pellagri 100	<<locked>>	61%	18753	42%	**5	100%
Hodgdon Clays	<<locked>>	60%	23148	52%	**9	100%
Hodgdon HP38	<<locked>>	61%	33504	76%	**55	100%
Hodgdon HS-6	<<locked>>	61%	22916	52%	**02	94%
Hodgdon Longshot	<<locked>>	62%	25788	58%	**48	97%
Hodgdon Universal	<<locked>>	61%	19812	45%	**7	100%
Hodgdon TrailBoss	<<locked>>	76%	8354	19%	**6	100%
Lovex D036	<<locked>>	62%	28079	63%	**01	94%
[Lovex D037.1]*	<<locked>>	79%	26382	60%	**14	81%
Lovex S011	<<locked>>	60%	24671	56%	**30	100%
Lovex S020	<<locked>>	61%	18782	42%	**4	100%
Maxam CSB 1	<<locked>>	61%	15635	35%	**2	100%
Maxam CSB 2	<<locked>>	62%	16375	37%	**5	100%
Maxam CSB 3	<<locked>>	60%	17796	40%	**8	100%
Maxam CSB 4	<<locked>>	62%	19986	45%	**1	100%
Maxam CSB 5	<<locked>>	61%	22669	51%	**8	100%
Ramshot Silhouette	<<locked>>	61%	22931	52%	**89	99%
Ramshot True Blue	<<locked>>	61%	26455	60%	**55	97%
Ramshot Zip	<<locked>>	61%	32489	73%	**55	100%
ReloadSwiss RS 12	<<locked>>	61%	21263	48%	**14	100%
ReloadSwiss RS 14	<<locked>>	75%	7484	17%	**3	98%
ReloadSwiss RS 20	<<locked>>	61%	14315	32%	**2	98%
[ReloadSwiss RS 24]*	<<locked>>	78%	22118	50%	**19	80%
Rottweil P 801	<<locked>>	60%	24613	56%	**27	100%
[Rottweil P 806]*	<<locked>>	65%	10501	24%	**2	80%
SNPE Vectan A0	<<locked>>	61%	15780	36%	**9	96%
SNPE Vectan BA 9	<<locked>>	61%	19247	44%	**8	100%
SNPE Vectan BA10	<<locked>>	62%	25599	58%	**1	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	13402	30%	**3	86%
SNPE Vectan BA9 1/2	<<locked>>	61%	18536	42%	**5	100%
Shooters World Auto Pistol	<<locked>>	62%	28079	63%	**01	94%
[Shooters World Major Pistol]*	<<locked>>	79%	26382	60%	**14	81%
Somchem MP200	<<locked>>	62%	19406	44%	**10	98%
Somchem MS200	<<locked>>	60%	17013	38%	**8	98%
[Somchem S221]*	<<locked>>	61%	19827	45%	**50	82%
[Vihtavuori 3N37]*	<<locked>>	61%	14228	32%	**2	88%
[Vihtavuori 3N38]*	<<locked>>	87%	20740	47%	**89	80%
[Vihtavuori N105]*	<<locked>>	91%	17492	40%	**60	80%
Vihtavuori N310	<<locked>>	60%	28631	65%	**4	100%
Vihtavuori N320	<<locked>>	62%	20305	46%	**1	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11400	26%	**8	100%
Vihtavuori N330	<<locked>>	60%	17260	39%	**5	100%
Vihtavuori N340	<<locked>>	62%	16636	38%	**1	98%
[Vihtavuori N350]*	<<locked>>	60%	12705	29%	**3	87%
Winchester 231	<<locked>>	60%	25382	57%	**63	100%

Start Load - Barrel Length: 5.50''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber

V(0) ... muzzle velocity in feet per second (fps) or meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍 ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data